title: [Survey for diptheria carriers of healthy and sick persons].
mesh_terms: D035843:Biomedical Research; D003625:Data Collection; D004165:Diphtheria / Q000517:prevention & control*; D006801:Humans
keywords: DIPHTHERIA/prevention and control
vernacular_title: Untersuchungen auf Diphtheriekeimträger an Gesunden und Kranken.